Craftsman 917.270( Owner's Manual page 29

TROUBLESHOOTING CHART
PROBLEM CAUSE
Engine clicks but
wilt not start
(cont'd)
Loss of power
,, Loose or damaged wiring_
o Faulty solenoid or starter.
o Cutting too much
grass/too fasL
• Throttle in "CHOKE" posi-
tion_
o Build-up of grass, leaves
and trash under mower.
CORRECTION
° Check all wiring.
o Check/replace solenoid or
starter.
• Set in "Higher Cut" posi-
tion/reduce speed.
o Adjust throttle control
o Clean underside of mower
housing°
= Dirty air filter.
° Low oil level/dirty oil,
o Faulty spark plug.
o Dirty fuel filter.
= Stale or dirty fuel
Water in fuel.
° Spark plug wire loose,,
o Dirty engine air
screen/fins.
o Dirty/clogged muffler.
o Clean/replace air filter,
o Check oil level/change oil.
o Clean and regap or change
spark plug.
° Replace fuel filter.
o Drain fuel tank and refill with
fresh gasoline.
= Drain fuel tank and carbure_
tor, refill tank with fresh gaso-
line and replace fuel filter.
• Connect and tighten spark
plug wire.
o Clean engine air screen/fins,
o Clean/replace muffler.
Excessive vibration
Engine continues to
run when opera-
tor leaves seat
with attachment
clutch engaged
Poor cut - uneven
° Loose or damaged wiring.
o Carburetor out of adjust-
mento
o Engine valves out of
adjustment°
° Worn, bent or loose blade.
o Bent blade mandrel°
o Loose/damaged part(s).
° Faulty operator-safety
presence control system°
Worn, bent or loose blade.
= Mower deck not level.
° Buildup of grass, leaves,
and trash under mower.
o Bent blade mandrel
o Clogged mower deck vent
holes from buildup of
o Check all wiring.
° See "To Adjust Carburetor" in
Service and Adjustments
section.
o Contact an authorized ser-
vice center,.
= Replace blade. Tighten blade
bolt.
o Replace blade mandrel°
o Tighten loose part(s).
Replace damaged parts.
Check wiring, switches and
connections, If not
corrected, contact an autho-
rized service center°
o Replace blade. Tighten blade
bolt.
o Level mower deck.
,, Clean underside of mower
housing.
• Replace blade mandrel_
o Clean around mandrels to
open vent holes.
29